12553442 has 16 divisors (see below), whose sum is σ = 20708352. Its totient is φ = 5659920.

The previous prime is 12553417. The next prime is 12553451. The reversal of 12553442 is 24435521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548 + ... + 5040.

It is an arithmetic number, because the mean of its divisors is an integer number (1294272).

Almost surely, 2^12553442 is an apocalyptic number.

12553442 is a deficient number, since it is larger than the sum of its proper divisors (8154910).

12553442 is a wasteful number, since it uses less digits than its factorization.

12553442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633.

The product of its digits is 4800, while the sum is 26.

The square root of 12553442 is about 3543.0836851534. The cubic root of 12553442 is about 232.4097125052.

Adding to 12553442 its reverse (24435521), we get a palindrome (36988963).

The spelling of 12553442 in words is "twelve million, five hundred fifty-three thousand, four hundred forty-two".