13983345 has 12 divisors (see below), whose sum is σ = 24237876. Its totient is φ = 7457760.

The previous prime is 13983341. The next prime is 13983353. The reversal of 13983345 is 54338931.

It can be written as a sum of positive squares in 2 ways, for example, as 2934369 + 11048976 = 1713^2 + 3324^2 .

It is not a de Polignac number, because 13983345 - 2² = 13983341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13983341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155326 + ... + 155415.

It is an arithmetic number, because the mean of its divisors is an integer number (2019823).

Almost surely, 2^13983345 is an apocalyptic number.

13983345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13983345 is a deficient number, since it is larger than the sum of its proper divisors (10254531).

13983345 is a wasteful number, since it uses less digits than its factorization.

13983345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310752 (or 310749 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 13983345 is about 3739.4311064653. The cubic root of 13983345 is about 240.9186148753.

The spelling of 13983345 in words is "thirteen million, nine hundred eighty-three thousand, three hundred forty-five".