12453490 has 16 divisors (see below), whose sum is σ = 25618752. Its totient is φ = 4269744.

The previous prime is 12453479. The next prime is 12453509. The reversal of 12453490 is 9435421.

12453490 = 226² + 227² + ... + 365².

12453490 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

12453490 is strictly pandigital in base 8.

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, 88884 + ... + 89023.

It is an arithmetic number, because the mean of its divisors is an integer number (1601172).

Almost surely, 2^12453490 is an apocalyptic number.

12453490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12453490 is an abundant number, since it is smaller than the sum of its proper divisors (13165262).

12453490 is a wasteful number, since it uses less digits than its factorization.

12453490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177921.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12453490 is about 3528.9502688477. The cubic root of 12453490 is about 231.7912435465.

The spelling of 12453490 in words is "twelve million, four hundred fifty-three thousand, four hundred ninety".