12153406 has 4 divisors (see below), whose sum is σ = 18230112. Its totient is φ = 6076702.

The previous prime is 12153397. The next prime is 12153451. The reversal of 12153406 is 60435121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038350 + ... + 3038353.

It is an arithmetic number, because the mean of its divisors is an integer number (4557528).

Almost surely, 2^12153406 is an apocalyptic number.

12153406 is a deficient number, since it is larger than the sum of its proper divisors (6076706).

12153406 is an equidigital number, since it uses as much as digits as its factorization.

12153406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076705.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12153406 is about 3486.1735470283. The cubic root of 12153406 is about 229.9143096034.

Adding to 12153406 its reverse (60435121), we get a palindrome (72588527).

The spelling of 12153406 in words is "twelve million, one hundred fifty-three thousand, four hundred six".