12252388 has 6 divisors (see below), whose sum is σ = 21441686. Its totient is φ = 6126192.

The previous prime is 12252349. The next prime is 12252389. The reversal of 12252388 is 88325221.

It can be written as a sum of positive squares in only one way, i.e., 12236004 + 16384 = 3498^2 + 128^2 .

It is not an unprimeable number, because it can be changed into a prime (12252389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1531545 + ... + 1531552.

Almost surely, 2^12252388 is an apocalyptic number.

It is an amenable number.

12252388 is a deficient number, since it is larger than the sum of its proper divisors (9189298).

12252388 is a wasteful number, since it uses less digits than its factorization.

12252388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063101 (or 3063099 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 12252388 is about 3500.3411262333. The cubic root of 12252388 is about 230.5367928431.

The spelling of 12252388 in words is "twelve million, two hundred fifty-two thousand, three hundred eighty-eight".