12002940 has 36 divisors (see below), whose sum is σ = 36409464. Its totient is φ = 3200736.

The previous prime is 12002933. The next prime is 12002951. The reversal of 12002940 is 4920021.

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

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

It is a congruent number.

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, 33162 + ... + 33521.

It is an arithmetic number, because the mean of its divisors is an integer number (1011374).

Almost surely, 2^12002940 is an apocalyptic number.

12002940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002940 is an abundant number, since it is smaller than the sum of its proper divisors (24406524).

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

12002940 is a wasteful number, since it uses less digits than its factorization.

12002940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66698 (or 66693 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12002940 is about 3464.5259415972. The cubic root of 12002940 is about 228.9615439832.

Adding to 12002940 its reverse (4920021), we get a palindrome (16922961).

The spelling of 12002940 in words is "twelve million, two thousand, nine hundred forty".