13972030 has 32 divisors (see below), whose sum is σ = 26703360. Its totient is φ = 5248800.

The previous prime is 13972027. The next prime is 13972031. The reversal of 13972030 is 3027931.

13972030 = T₅₈ + T₅₉ + ... + T₄₃₇.

It is a junction number, because it is equal to n+sod(n) for n = 13971986 and 13972004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13972031) 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 15 ways as a sum of consecutive naturals, for example, 28447 + ... + 28933.

It is an arithmetic number, because the mean of its divisors is an integer number (834480).

Almost surely, 2^13972030 is an apocalyptic number.

13972030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13972030 is a deficient number, since it is larger than the sum of its proper divisors (12731330).

13972030 is a wasteful number, since it uses less digits than its factorization.

13972030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13972030 is about 3737.9178696167. The cubic root of 13972030 is about 240.8536154128.

Adding to 13972030 its reverse (3027931), we get a palindrome (16999961).

The spelling of 13972030 in words is "thirteen million, nine hundred seventy-two thousand, thirty".