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13372471 = 76432971
BaseRepresentation
bin110011000000…
…110000110111
3221011101120201
4303000300313
511410404341
61154341331
7221443540
oct63006067
927141521
1013372471
117603a32
12458a847
132a02908
141ac14c7
151292331
hexcc0c37

13372471 has 8 divisors (see below), whose sum is σ = 15311744. Its totient is φ = 11440440.

The previous prime is 13372459. The next prime is 13372477. The reversal of 13372471 is 17427331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13372471 - 213 = 13364279 is a prime.

It is a super-3 number, since 3×133724713 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13372477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3016 + ... + 5986.

It is an arithmetic number, because the mean of its divisors is an integer number (1913968).

Almost surely, 213372471 is an apocalyptic number.

13372471 is a deficient number, since it is larger than the sum of its proper divisors (1939273).

13372471 is an equidigital number, since it uses as much as digits as its factorization.

13372471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621.

The product of its digits is 3528, while the sum is 28.

The square root of 13372471 is about 3656.8389354742. The cubic root of 13372471 is about 237.3580078307.

The spelling of 13372471 in words is "thirteen million, three hundred seventy-two thousand, four hundred seventy-one".

Divisors: 1 7 643 2971 4501 20797 1910353 13372471