13073623 has 4 divisors (see below), whose sum is σ = 13146840. Its totient is φ = 13000408.

The previous prime is 13073603. The next prime is 13073639. The reversal of 13073623 is 32637031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32637031 = 7 ⋅4662433.

It is a cyclic number.

It is not a de Polignac number, because 13073623 - 2¹³ = 13065431 is a prime.

It is a super-2 number, since 2×13073623² = 341839236692258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13073603) 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, 36340 + ... + 36697.

It is an arithmetic number, because the mean of its divisors is an integer number (3286710).

Almost surely, 2^13073623 is an apocalyptic number.

13073623 is a deficient number, since it is larger than the sum of its proper divisors (73217).

13073623 is an equidigital number, since it uses as much as digits as its factorization.

13073623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73216.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 13073623 is about 3615.7465342582. The cubic root of 13073623 is about 235.5765111873.

The spelling of 13073623 in words is "thirteen million, seventy-three thousand, six hundred twenty-three".