13942930 has 8 divisors (see below), whose sum is σ = 25097292. Its totient is φ = 5577168.

The previous prime is 13942919. The next prime is 13942931. The reversal of 13942930 is 3924931.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 2430481 = 3393^2 + 1559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13942892 and 13942901.

It is not an unprimeable number, because it can be changed into a prime (13942931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697137 + ... + 697156.

Almost surely, 2^13942930 is an apocalyptic number.

13942930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13942930 is a deficient number, since it is larger than the sum of its proper divisors (11154362).

13942930 is a wasteful number, since it uses less digits than its factorization.

13942930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394300.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 13942930 is about 3734.0232993381. The cubic root of 13942930 is about 240.6862879809.

The spelling of 13942930 in words is "thirteen million, nine hundred forty-two thousand, nine hundred thirty".