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13292901 = 321476989
BaseRepresentation
bin110010101101…
…010101100101
3221000100102200
4302231111211
511400333101
61152525113
7220662546
oct62552545
927010380
1013292901
11755a176
124550799
1329a562b
141aa04cd
151278986
hexcad565

13292901 has 6 divisors (see below), whose sum is σ = 19200870. Its totient is φ = 8861928.

The previous prime is 13292863. The next prime is 13292947. The reversal of 13292901 is 10929231.

It can be written as a sum of positive squares in only one way, i.e., 13068225 + 224676 = 3615^2 + 474^2 .

It is not a de Polignac number, because 13292901 - 211 = 13290853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13292501) 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 5 ways as a sum of consecutive naturals, for example, 738486 + ... + 738503.

It is an arithmetic number, because the mean of its divisors is an integer number (3200145).

Almost surely, 213292901 is an apocalyptic number.

It is an amenable number.

13292901 is a deficient number, since it is larger than the sum of its proper divisors (5907969).

13292901 is a wasteful number, since it uses less digits than its factorization.

13292901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476995 (or 1476992 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 13292901 is about 3645.9430878718. The cubic root of 13292901 is about 236.8862884510.

The spelling of 13292901 in words is "thirteen million, two hundred ninety-two thousand, nine hundred one".

Divisors: 1 3 9 1476989 4430967 13292901