12631485 has 64 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 5829120.

The previous prime is 12631481. The next prime is 12631511. The reversal of 12631485 is 58413621.

It is not a de Polignac number, because 12631485 - 2² = 12631481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268732 + ... + 268778.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^12631485 is an apocalyptic number.

12631485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12631485 is a deficient number, since it is larger than the sum of its proper divisors (10592835).

12631485 is a wasteful number, since it uses less digits than its factorization.

12631485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138.

The product of its digits is 5760, while the sum is 30.

The square root of 12631485 is about 3554.0800497456. The cubic root of 12631485 is about 232.8903374854.

The spelling of 12631485 in words is "twelve million, six hundred thirty-one thousand, four hundred eighty-five".