12406190 has 16 divisors (see below), whose sum is σ = 22876560. Its totient is φ = 4841280.

The previous prime is 12406151. The next prime is 12406193. The reversal of 12406190 is 9160421.

It is a happy number.

It is a super-2 number, since 2×12406190² = 307827100632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14720 + ... + 15539.

It is an arithmetic number, because the mean of its divisors is an integer number (1429785).

Almost surely, 2^12406190 is an apocalyptic number.

12406190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12406190 is a deficient number, since it is larger than the sum of its proper divisors (10470370).

12406190 is a wasteful number, since it uses less digits than its factorization.

12406190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30307.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12406190 is about 3522.2421836098. The cubic root of 12406190 is about 231.4974133098.

The spelling of 12406190 in words is "twelve million, four hundred six thousand, one hundred ninety".