12697055 has 16 divisors (see below), whose sum is σ = 17472000. Its totient is φ = 8677152.

The previous prime is 12697049. The next prime is 12697063. The reversal of 12697055 is 55079621.

It is a cyclic number.

It is not a de Polignac number, because 12697055 - 2⁴ = 12697039 is a prime.

It is a super-2 number, since 2×12697055² = 322430411346050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

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, 17102 + ... + 17828.

It is an arithmetic number, because the mean of its divisors is an integer number (1092000).

Almost surely, 2^12697055 is an apocalyptic number.

12697055 is a deficient number, since it is larger than the sum of its proper divisors (4774945).

12697055 is an equidigital number, since it uses as much as digits as its factorization.

12697055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 12697055 is about 3563.2927188206. The cubic root of 12697055 is about 233.2926198806.

The spelling of 12697055 in words is "twelve million, six hundred ninety-seven thousand, fifty-five".