12738038 has 16 divisors (see below), whose sum is σ = 19452960. Its totient is φ = 6254976.

The previous prime is 12738031. The next prime is 12738043. The reversal of 12738038 is 83083721.

It is a super-2 number, since 2×12738038² = 324515224178888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12737995 and 12738013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12738031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35303 + ... + 35661.

It is an arithmetic number, because the mean of its divisors is an integer number (1215810).

Almost surely, 2^12738038 is an apocalyptic number.

12738038 is a deficient number, since it is larger than the sum of its proper divisors (6714922).

12738038 is a wasteful number, since it uses less digits than its factorization.

12738038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12738038 is about 3569.0388061774. The cubic root of 12738038 is about 233.5433542163.

The spelling of 12738038 in words is "twelve million, seven hundred thirty-eight thousand, thirty-eight".