13126965 has 16 divisors (see below), whose sum is σ = 21124800. Its totient is φ = 6960512.

The previous prime is 13126963. The next prime is 13126991. The reversal of 13126965 is 56962131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13126965 - 2¹ = 13126963 is a prime.

It is a super-2 number, since 2×13126965² = 344634420222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126961) 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 15 ways as a sum of consecutive naturals, for example, 241 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (1320300).

Almost surely, 2^13126965 is an apocalyptic number.

13126965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13126965 is a deficient number, since it is larger than the sum of its proper divisors (7997835).

13126965 is a wasteful number, since it uses less digits than its factorization.

13126965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076.

The product of its digits is 9720, while the sum is 33.

The square root of 13126965 is about 3623.1153721625. The cubic root of 13126965 is about 235.8964701981.

The spelling of 13126965 in words is "thirteen million, one hundred twenty-six thousand, nine hundred sixty-five".