13903430 has 8 divisors (see below), whose sum is σ = 25026192. Its totient is φ = 5561368.

The previous prime is 13903429. The next prime is 13903451. The reversal of 13903430 is 3430931.

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 = 13903396 and 13903405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695162 + ... + 695181.

It is an arithmetic number, because the mean of its divisors is an integer number (3128274).

Almost surely, 2^13903430 is an apocalyptic number.

13903430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13903430 is a deficient number, since it is larger than the sum of its proper divisors (11122762).

13903430 is a wasteful number, since it uses less digits than its factorization.

13903430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390350.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 13903430 is about 3728.7303469143. The cubic root of 13903430 is about 240.4587867709.

The spelling of 13903430 in words is "thirteen million, nine hundred three thousand, four hundred thirty".