12607553 has 6 divisors (see below), whose sum is σ = 14665986. Its totient is φ = 10806432.

The previous prime is 12607549. The next prime is 12607559. The reversal of 12607553 is 35570621.

It can be written as a sum of positive squares in only one way, i.e., 9878449 + 2729104 = 3143^2 + 1652^2 .

It is not a de Polignac number, because 12607553 - 2² = 12607549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12607559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128600 + ... + 128697.

It is an arithmetic number, because the mean of its divisors is an integer number (2444331).

Almost surely, 2^12607553 is an apocalyptic number.

It is an amenable number.

12607553 is a deficient number, since it is larger than the sum of its proper divisors (2058433).

12607553 is an equidigital number, since it uses as much as digits as its factorization.

12607553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257311 (or 257304 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 12607553 is about 3550.7116188167. The cubic root of 12607553 is about 232.7431641010.

The spelling of 12607553 in words is "twelve million, six hundred seven thousand, five hundred fifty-three".