26520012 has 36 divisors (see below), whose sum is σ = 69953520. Its totient is φ = 8455392.

The previous prime is 26520001. The next prime is 26520023. The reversal of 26520012 is 21002562.

26520012 is a `hidden beast` number, since 2 + 652 + 0 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (26520001) and next prime (26520023).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×26520012² = 1406622072960288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15187 + ... + 16842.

Almost surely, 2^26520012 is an apocalyptic number.

It is an amenable number.

26520012 is an abundant number, since it is smaller than the sum of its proper divisors (43433508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26520012 is a wasteful number, since it uses less digits than its factorization.

26520012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32062 (or 32057 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 26520012 is about 5149.7584409368. The cubic root of 26520012 is about 298.2116269233.

Adding to 26520012 its reverse (21002562), we get a palindrome (47522574).

The spelling of 26520012 in words is "twenty-six million, five hundred twenty thousand, twelve".