12045699 has 16 divisors (see below), whose sum is σ = 18013600. Its totient is φ = 7954848.

The previous prime is 12045697. The next prime is 12045713. The reversal of 12045699 is 99654021.

It is not a de Polignac number, because 12045699 - 2¹ = 12045697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045697) 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, 897 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (1125850).

Almost surely, 2^12045699 is an apocalyptic number.

12045699 is a deficient number, since it is larger than the sum of its proper divisors (5967901).

12045699 is a wasteful number, since it uses less digits than its factorization.

12045699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 12045699 is about 3470.6914296722. The cubic root of 12045699 is about 229.2331042341.

It can be divided in two parts, 1204 and 5699, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 12045699 in words is "twelve million, forty-five thousand, six hundred ninety-nine".