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13436901 = 33497663
BaseRepresentation
bin110011010000…
…011111100101
3221021122222000
4303100133211
511414440101
61155555513
7222132432
oct63203745
927248860
1013436901
117648385
1245bbb99
132a2603a
141adab89
1512a6486
hexcd07e5

13436901 has 8 divisors (see below), whose sum is σ = 19906560. Its totient is φ = 8957916.

The previous prime is 13436893. The next prime is 13436909. The reversal of 13436901 is 10963431.

It is an interprime number because it is at equal distance from previous prime (13436893) and next prime (13436909).

It is not a de Polignac number, because 13436901 - 23 = 13436893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 497663 = 13436901 / (1 + 3 + 4 + 3 + 6 + 9 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13436909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248805 + ... + 248858.

It is an arithmetic number, because the mean of its divisors is an integer number (2488320).

Almost surely, 213436901 is an apocalyptic number.

It is an amenable number.

13436901 is a deficient number, since it is larger than the sum of its proper divisors (6469659).

13436901 is an equidigital number, since it uses as much as digits as its factorization.

13436901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497672 (or 497666 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13436901 is about 3665.6378708214. The cubic root of 13436901 is about 237.7386026838.

The spelling of 13436901 in words is "thirteen million, four hundred thirty-six thousand, nine hundred one".

Divisors: 1 3 9 27 497663 1492989 4478967 13436901