12838620 has 24 divisors (see below), whose sum is σ = 35948304. Its totient is φ = 3423616.

The previous prime is 12838613. The next prime is 12838627. The reversal of 12838620 is 2683821.

It is an interprime number because it is at equal distance from previous prime (12838613) and next prime (12838627).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838627) 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, 106929 + ... + 107048.

It is an arithmetic number, because the mean of its divisors is an integer number (1497846).

Almost surely, 2^12838620 is an apocalyptic number.

12838620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12838620 is an abundant number, since it is smaller than the sum of its proper divisors (23109684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12838620 is a wasteful number, since it uses less digits than its factorization.

12838620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213989 (or 213987 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 12838620 is about 3583.1020080372. The cubic root of 12838620 is about 234.1564444372.

The spelling of 12838620 in words is "twelve million, eight hundred thirty-eight thousand, six hundred twenty".