15490412 has 12 divisors (see below), whose sum is σ = 30980880. Its totient is φ = 6638736.

The previous prime is 15490393. The next prime is 15490429. The reversal of 15490412 is 21409451.

15490412 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276587 + ... + 276642.

It is an arithmetic number, because the mean of its divisors is an integer number (2581740).

Almost surely, 2^15490412 is an apocalyptic number.

It is an amenable number.

15490412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15490412 is a wasteful number, since it uses less digits than its factorization.

15490412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553240 (or 553238 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 15490412 is about 3935.7860714221. The cubic root of 15490412 is about 249.2801264512.

Adding to 15490412 its reverse (21409451), we get a palindrome (36899863).

The spelling of 15490412 in words is "fifteen million, four hundred ninety thousand, four hundred twelve".