12254390 has 16 divisors (see below), whose sum is σ = 22105440. Its totient is φ = 4891200.

The previous prime is 12254371. The next prime is 12254419. The reversal of 12254390 is 9345221.

It is a congruent 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, 4991 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (1381590).

Almost surely, 2^12254390 is an apocalyptic number.

12254390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12254390 is a deficient number, since it is larger than the sum of its proper divisors (9851050).

12254390 is a wasteful number, since it uses less digits than its factorization.

12254390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12254390 is about 3500.6270866803. The cubic root of 12254390 is about 230.5493484778.

The spelling of 12254390 in words is "twelve million, two hundred fifty-four thousand, three hundred ninety".