12553699 has 12 divisors (see below), whose sum is σ = 13825000. Its totient is φ = 11366784.

The previous prime is 12553691. The next prime is 12553727. The reversal of 12553699 is 99635521.

It is a happy number.

It is not a de Polignac number, because 12553699 - 2³ = 12553691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12553691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9427 + ... + 10675.

Almost surely, 2^12553699 is an apocalyptic number.

12553699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12553699 is a deficient number, since it is larger than the sum of its proper divisors (1271301).

12553699 is a wasteful number, since it uses less digits than its factorization.

12553699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1291 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 12553699 is about 3543.1199528100. The cubic root of 12553699 is about 232.4112984949.

It can be divided in two parts, 125 and 53699, that added together give a square (53824 = 232²).

The spelling of 12553699 in words is "twelve million, five hundred fifty-three thousand, six hundred ninety-nine".