12987460 has 24 divisors (see below), whose sum is σ = 27349056. Its totient is φ = 5180640.

The previous prime is 12987437. The next prime is 12987461. The reversal of 12987460 is 6478921.

12987460 = T₂₉₄₁ + T₂₉₄₂ + T₂₉₄₃.

It is not an unprimeable number, because it can be changed into a prime (12987461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9415 + ... + 10705.

It is an arithmetic number, because the mean of its divisors is an integer number (1139544).

Almost surely, 2^12987460 is an apocalyptic number.

12987460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12987460 is the 2943-rd centered triangular number.

It is an amenable number.

12987460 is an abundant number, since it is smaller than the sum of its proper divisors (14361596).

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

12987460 is a wasteful number, since it uses less digits than its factorization.

12987460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12987460 is about 3603.8118707835. The cubic root of 12987460 is about 235.0578399955.

The spelling of 12987460 in words is "twelve million, nine hundred eighty-seven thousand, four hundred sixty".