26130987 has 6 divisors (see below), whose sum is σ = 37744772. Its totient is φ = 17420652.

The previous prime is 26130983. The next prime is 26131031. The reversal of 26130987 is 78903162.

It is not a de Polignac number, because 26130987 - 2² = 26130983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26130983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1451713 + ... + 1451730.

Almost surely, 2^26130987 is an apocalyptic number.

26130987 is a deficient number, since it is larger than the sum of its proper divisors (11613785).

26130987 is a wasteful number, since it uses less digits than its factorization.

26130987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903449 (or 2903446 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 26130987 is about 5111.8477089992. The cubic root of 26130987 is about 296.7462717543.

The spelling of 26130987 in words is "twenty-six million, one hundred thirty thousand, nine hundred eighty-seven".