13858704 has 60 divisors (see below), whose sum is σ = 39095836. Its totient is φ = 4582656.

The previous prime is 13858699. The next prime is 13858709. The reversal of 13858704 is 40785831.

It is an interprime number because it is at equal distance from previous prime (13858699) and next prime (13858709).

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 12531600 = 1152^2 + 3540^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13858709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22302 + ... + 22914.

Almost surely, 2^13858704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13858704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19547918).

13858704 is an abundant number, since it is smaller than the sum of its proper divisors (25237132).

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

13858704 is a wasteful number, since it uses less digits than its factorization.

13858704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 13858704 is about 3722.7280319680. The cubic root of 13858704 is about 240.2006655089.

The spelling of 13858704 in words is "thirteen million, eight hundred fifty-eight thousand, seven hundred four".