12893534 has 4 divisors (see below), whose sum is σ = 19340304. Its totient is φ = 6446766.

The previous prime is 12893527. The next prime is 12893561. The reversal of 12893534 is 43539821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43539821 = 13 ⋅3349217.

It is a junction number, because it is equal to n+sod(n) for n = 12893494 and 12893503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3223382 + ... + 3223385.

It is an arithmetic number, because the mean of its divisors is an integer number (4835076).

Almost surely, 2^12893534 is an apocalyptic number.

12893534 is a deficient number, since it is larger than the sum of its proper divisors (6446770).

12893534 is an equidigital number, since it uses as much as digits as its factorization.

12893534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6446769.

The product of its digits is 25920, while the sum is 35.

The square root of 12893534 is about 3590.7567447545. The cubic root of 12893534 is about 234.4898182076.

The spelling of 12893534 in words is "twelve million, eight hundred ninety-three thousand, five hundred thirty-four".