12133407 has 16 divisors (see below), whose sum is σ = 19006848. Its totient is φ = 6787680.

The previous prime is 12133399. The next prime is 12133411. The reversal of 12133407 is 70433121.

12133407 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12133407 - 2³ = 12133399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13713 + ... + 14570.

It is an arithmetic number, because the mean of its divisors is an integer number (1187928).

Almost surely, 2^12133407 is an apocalyptic number.

12133407 is a deficient number, since it is larger than the sum of its proper divisors (6873441).

12133407 is a wasteful number, since it uses less digits than its factorization.

12133407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28310.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12133407 is about 3483.3040349645. The cubic root of 12133407 is about 229.7881287701.

Adding to 12133407 its reverse (70433121), we get a palindrome (82566528).

The spelling of 12133407 in words is "twelve million, one hundred thirty-three thousand, four hundred seven".