13102973 has 4 divisors (see below), whose sum is σ = 14110908. Its totient is φ = 12095040.

The previous prime is 13102967. The next prime is 13102981. The reversal of 13102973 is 37920131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7963684 + 5139289 = 2822^2 + 2267^2 .

It is a cyclic number.

It is not a de Polignac number, because 13102973 - 2⁶ = 13102909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503948 + ... + 503973.

It is an arithmetic number, because the mean of its divisors is an integer number (3527727).

Almost surely, 2^13102973 is an apocalyptic number.

13102973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13102973 is a deficient number, since it is larger than the sum of its proper divisors (1007935).

13102973 is a wasteful number, since it uses less digits than its factorization.

13102973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007934.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 13102973 is about 3619.8028951864. The cubic root of 13102973 is about 235.7526674829.

It can be divided in two parts, 13 and 102973, that multiplied together give a square (1338649 = 1157²).

The spelling of 13102973 in words is "thirteen million, one hundred two thousand, nine hundred seventy-three".