12697045 has 8 divisors (see below), whose sum is σ = 16132824. Its totient is φ = 9560064.

The previous prime is 12697043. The next prime is 12697049. The reversal of 12697045 is 54079621.

It can be written as a sum of positive squares in 4 ways, for example, as 1454436 + 11242609 = 1206^2 + 3353^2 .

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 12697045 - 2¹ = 12697043 is a prime.

It is a super-2 number, since 2×12697045² = 322429903464050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12697045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74604 + ... + 74773.

It is an arithmetic number, because the mean of its divisors is an integer number (2016603).

Almost surely, 2^12697045 is an apocalyptic number.

It is an amenable number.

12697045 is a deficient number, since it is larger than the sum of its proper divisors (3435779).

12697045 is a wasteful number, since it uses less digits than its factorization.

12697045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149399.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12697045 is about 3563.2913156238. The cubic root of 12697045 is about 233.2925586347.

The spelling of 12697045 in words is "twelve million, six hundred ninety-seven thousand, forty-five".