12190490 has 32 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 4440384.

The previous prime is 12190481. The next prime is 12190511. The reversal of 12190490 is 9409121.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 9677 + ... + 10863.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^12190490 is an apocalyptic number.

12190490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12190490 is a deficient number, since it is larger than the sum of its proper divisors (11759590).

12190490 is a wasteful number, since it uses less digits than its factorization.

12190490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12190490 is about 3491.4882213749. The cubic root of 12190490 is about 230.1479199707.

The spelling of 12190490 in words is "twelve million, one hundred ninety thousand, four hundred ninety".