12149892 has 96 divisors (see below), whose sum is σ = 34406400. Its totient is φ = 3693600.

The previous prime is 12149881. The next prime is 12149933. The reversal of 12149892 is 29894121.

It is a super-2 number, since 2×12149892² = 295239751223328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63517 + ... + 63707.

It is an arithmetic number, because the mean of its divisors is an integer number (358400).

Almost surely, 2^12149892 is an apocalyptic number.

12149892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12149892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17203200).

12149892 is an abundant number, since it is smaller than the sum of its proper divisors (22256508).

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

12149892 is a wasteful number, since it uses less digits than its factorization.

12149892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 246 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 12149892 is about 3485.6695196189. The cubic root of 12149892 is about 229.8921485521.

It can be divided in two parts, 12149 and 892, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12149892 in words is "twelve million, one hundred forty-nine thousand, eight hundred ninety-two".