12199077 has 24 divisors (see below), whose sum is σ = 19375200. Its totient is φ = 7334880.

The previous prime is 12199073. The next prime is 12199087. The reversal of 12199077 is 77099121.

It is not a de Polignac number, because 12199077 - 2² = 12199073 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12199073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14338 + ... + 15164.

It is an arithmetic number, because the mean of its divisors is an integer number (807300).

Almost surely, 2^12199077 is an apocalyptic number.

It is an amenable number.

12199077 is a deficient number, since it is larger than the sum of its proper divisors (7176123).

12199077 is a wasteful number, since it uses less digits than its factorization.

12199077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 12199077 is about 3492.7177097498. The cubic root of 12199077 is about 230.2019461375.

It can be divided in two parts, 1219 and 9077, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 12199077 in words is "twelve million, one hundred ninety-nine thousand, seventy-seven".