15494713 has 8 divisors (see below), whose sum is σ = 16853256. Its totient is φ = 14160000.

The previous prime is 15494711. The next prime is 15494771. The reversal of 15494713 is 31749451.

It can be written as a sum of positive squares in 4 ways, for example, as 3640464 + 11854249 = 1908^2 + 3443^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 15494713 - 2¹ = 15494711 is a prime.

It is a super-2 number, since 2×15494713² = 480172261904738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15494711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4588 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (2106657).

Almost surely, 2^15494713 is an apocalyptic number.

15494713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15494713 is a deficient number, since it is larger than the sum of its proper divisors (1358543).

15494713 is a wasteful number, since it uses less digits than its factorization.

15494713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11915.

The product of its digits is 15120, while the sum is 34.

The square root of 15494713 is about 3936.3324300674. The cubic root of 15494713 is about 249.3031956592.

The spelling of 15494713 in words is "fifteen million, four hundred ninety-four thousand, seven hundred thirteen".