13469745 has 8 divisors (see below), whose sum is σ = 21551616. Its totient is φ = 7183856.

The previous prime is 13469669. The next prime is 13469761. The reversal of 13469745 is 54796431.

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 13469745 - 2²¹ = 11372593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448977 + ... + 449006.

It is an arithmetic number, because the mean of its divisors is an integer number (2693952).

Almost surely, 2^13469745 is an apocalyptic number.

13469745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13469745 is a deficient number, since it is larger than the sum of its proper divisors (8081871).

13469745 is an equidigital number, since it uses as much as digits as its factorization.

13469745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897991.

The product of its digits is 90720, while the sum is 39.

The square root of 13469745 is about 3670.1151208102. The cubic root of 13469745 is about 237.9321476420.

The spelling of 13469745 in words is "thirteen million, four hundred sixty-nine thousand, seven hundred forty-five".