12071090 has 32 divisors (see below), whose sum is σ = 23417856. Its totient is φ = 4466880.

The previous prime is 12071083. The next prime is 12071093. The reversal of 12071090 is 9017021.

It is a super-2 number, since 2×12071090² = 291422427576200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12071093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6284 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (731808).

Almost surely, 2^12071090 is an apocalyptic number.

12071090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12071090 is a deficient number, since it is larger than the sum of its proper divisors (11346766).

12071090 is a wasteful number, since it uses less digits than its factorization.

12071090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 12071090 is about 3474.3474207396. The cubic root of 12071090 is about 229.3940571990.

The spelling of 12071090 in words is "twelve million, seventy-one thousand, ninety".