12732198 has 16 divisors (see below), whose sum is σ = 25519536. Its totient is φ = 4234880.

The previous prime is 12732191. The next prime is 12732221. The reversal of 12732198 is 89123721.

It is a super-2 number, since 2×12732198² = 324217731822408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12732191) 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, 1090 + ... + 5162.

It is an arithmetic number, because the mean of its divisors is an integer number (1594971).

Almost surely, 2^12732198 is an apocalyptic number.

12732198 is an abundant number, since it is smaller than the sum of its proper divisors (12787338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12732198 is a wasteful number, since it uses less digits than its factorization.

12732198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599.

The product of its digits is 6048, while the sum is 33.

The square root of 12732198 is about 3568.2205649315. The cubic root of 12732198 is about 233.5076579373.

The spelling of 12732198 in words is "twelve million, seven hundred thirty-two thousand, one hundred ninety-eight".