12151198 has 16 divisors (see below), whose sum is σ = 18762480. Its totient is φ = 5898816.

The previous prime is 12151189. The next prime is 12151231. The reversal of 12151198 is 89115121.

It is a super-2 number, since 2×12151198² = 295303225670408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19386 + ... + 20002.

It is an arithmetic number, because the mean of its divisors is an integer number (1172655).

Almost surely, 2^12151198 is an apocalyptic number.

12151198 is a deficient number, since it is larger than the sum of its proper divisors (6611282).

12151198 is a wasteful number, since it uses less digits than its factorization.

12151198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 720, while the sum is 28.

The square root of 12151198 is about 3485.8568530564. The cubic root of 12151198 is about 229.9003853438.

The spelling of 12151198 in words is "twelve million, one hundred fifty-one thousand, one hundred ninety-eight".