12553031 has 4 divisors (see below), whose sum is σ = 12597672. Its totient is φ = 12508392.

The previous prime is 12553019. The next prime is 12553039. The reversal of 12553031 is 13035521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13035521 = 619 ⋅21059.

It is a cyclic number.

It is not a de Polignac number, because 12553031 - 2¹⁴ = 12536647 is a prime.

It is a super-2 number, since 2×12553031² = 315157174573922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12552994 and 12553012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21896 + ... + 22461.

It is an arithmetic number, because the mean of its divisors is an integer number (3149418).

Almost surely, 2^12553031 is an apocalyptic number.

12553031 is a deficient number, since it is larger than the sum of its proper divisors (44641).

12553031 is an equidigital number, since it uses as much as digits as its factorization.

12553031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44640.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 12553031 is about 3543.0256843551. The cubic root of 12553031 is about 232.4071761110.

Adding to 12553031 its reverse (13035521), we get a palindrome (25588552).

The spelling of 12553031 in words is "twelve million, five hundred fifty-three thousand, thirty-one".