12726465 has 16 divisors (see below), whose sum is σ = 20463936. Its totient is φ = 6753600.

The previous prime is 12726457. The next prime is 12726479. The reversal of 12726465 is 56462721.

It is not a de Polignac number, because 12726465 - 2³ = 12726457 is a prime.

It is a super-2 number, since 2×12726465² = 323925822792450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (1278996).

Almost surely, 2^12726465 is an apocalyptic number.

12726465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12726465 is a deficient number, since it is larger than the sum of its proper divisors (7737471).

12726465 is a wasteful number, since it uses less digits than its factorization.

12726465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240.

The product of its digits is 20160, while the sum is 33.

The square root of 12726465 is about 3567.4171328848. The cubic root of 12726465 is about 233.4726050637.

The spelling of 12726465 in words is "twelve million, seven hundred twenty-six thousand, four hundred sixty-five".