13494947 has 8 divisors (see below), whose sum is σ = 14094000. Its totient is φ = 12904864.

The previous prime is 13494941. The next prime is 13494953. The reversal of 13494947 is 74949431.

It is an interprime number because it is at equal distance from previous prime (13494941) and next prime (13494953).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13494947 is a prime.

It is a super-2 number, since 2×13494947² = 364227189065618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13494941) 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, 929 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (1761750).

Almost surely, 2^13494947 is an apocalyptic number.

13494947 is a deficient number, since it is larger than the sum of its proper divisors (599053).

13494947 is a wasteful number, since it uses less digits than its factorization.

13494947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485.

The product of its digits is 108864, while the sum is 41.

The square root of 13494947 is about 3673.5469236148. The cubic root of 13494947 is about 238.0804461712.

It can be divided in two parts, 13494 and 947, that added together give a palindrome (14441).

The spelling of 13494947 in words is "thirteen million, four hundred ninety-four thousand, nine hundred forty-seven".