12903192 has 128 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 3974400.

The previous prime is 12903181. The next prime is 12903193. The reversal of 12903192 is 29130921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12903193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274513 + ... + 274559.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^12903192 is an apocalyptic number.

12903192 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 12903192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19353600).

12903192 is an abundant number, since it is smaller than the sum of its proper divisors (25804008).

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

12903192 is a wasteful number, since it uses less digits than its factorization.

12903192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12903192 is about 3592.1013348735. The cubic root of 12903192 is about 234.5483523906.

The spelling of 12903192 in words is "twelve million, nine hundred three thousand, one hundred ninety-two".