13980034 has 4 divisors (see below), whose sum is σ = 20970054. Its totient is φ = 6990016.

The previous prime is 13979983. The next prime is 13980047. The reversal of 13980034 is 43008931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13727025 + 253009 = 3705^2 + 503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13979984 and 13980011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495007 + ... + 3495010.

Almost surely, 2^13980034 is an apocalyptic number.

13980034 is a deficient number, since it is larger than the sum of its proper divisors (6990020).

13980034 is an equidigital number, since it uses as much as digits as its factorization.

13980034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6990019.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13980034 is about 3738.9883658551. The cubic root of 13980034 is about 240.8995983357.

Adding to 13980034 its reverse (43008931), we get a palindrome (56988965).

The spelling of 13980034 in words is "thirteen million, nine hundred eighty thousand, thirty-four".