13802445 has 24 divisors (see below), whose sum is σ = 24511032. Its totient is φ = 7180800.

The previous prime is 13802431. The next prime is 13802447. The reversal of 13802445 is 54420831.

It can be written as a sum of positive squares in 4 ways, for example, as 820836 + 12981609 = 906^2 + 3603^2 .

It is not a de Polignac number, because 13802445 - 2⁴ = 13802429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13802447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1896 + ... + 5585.

It is an arithmetic number, because the mean of its divisors is an integer number (1021293).

Almost surely, 2^13802445 is an apocalyptic number.

13802445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13802445 is a deficient number, since it is larger than the sum of its proper divisors (10708587).

13802445 is a wasteful number, since it uses less digits than its factorization.

13802445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533 (or 7530 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 13802445 is about 3715.1641955639. The cubic root of 13802445 is about 239.8751955273.

The spelling of 13802445 in words is "thirteen million, eight hundred two thousand, four hundred forty-five".