12153490 has 8 divisors (see below), whose sum is σ = 21876300. Its totient is φ = 4861392.

The previous prime is 12153473. The next prime is 12153497. The reversal of 12153490 is 9435121.

12153490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 22201 = 3483^2 + 149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12153497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607665 + ... + 607684.

Almost surely, 2^12153490 is an apocalyptic number.

12153490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12153490 is a deficient number, since it is larger than the sum of its proper divisors (9722810).

12153490 is a wasteful number, since it uses less digits than its factorization.

12153490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215356.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12153490 is about 3486.1855946005. The cubic root of 12153490 is about 229.9148392974.

The spelling of 12153490 in words is "twelve million, one hundred fifty-three thousand, four hundred ninety".