12402038 has 16 divisors (see below), whose sum is σ = 20350224. Its totient is φ = 5621760.

The previous prime is 12402023. The next prime is 12402059. The reversal of 12402038 is 83020421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12206 + ... + 13182.

It is an arithmetic number, because the mean of its divisors is an integer number (1271889).

Almost surely, 2^12402038 is an apocalyptic number.

12402038 is a deficient number, since it is larger than the sum of its proper divisors (7948186).

12402038 is a wasteful number, since it uses less digits than its factorization.

12402038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12402038 is about 3521.6527369972. The cubic root of 12402038 is about 231.4715852216.

Adding to 12402038 its reverse (83020421), we get a palindrome (95422459).

The spelling of 12402038 in words is "twelve million, four hundred two thousand, thirty-eight".