12251390 has 32 divisors (see below), whose sum is σ = 24585120. Its totient is φ = 4368384.

The previous prime is 12251389. The next prime is 12251411. The reversal of 12251390 is 9315221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (768285).

Almost surely, 2^12251390 is an apocalyptic number.

12251390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12251390 is an abundant number, since it is smaller than the sum of its proper divisors (12333730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12251390 is a wasteful number, since it uses less digits than its factorization.

12251390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12251390 is about 3500.1985657959. The cubic root of 12251390 is about 230.5305333296.

The spelling of 12251390 in words is "twelve million, two hundred fifty-one thousand, three hundred ninety".