6999132 has 48 divisors (see below), whose sum is σ = 18878720. Its totient is φ = 1976832.

The previous prime is 6999131. The next prime is 6999143. The reversal of 6999132 is 2319996.

It is a happy number.

6999132 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6999131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7719 + ... + 8577.

Almost surely, 2^6999132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6999132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9439360).

6999132 is an abundant number, since it is smaller than the sum of its proper divisors (11879588).

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

6999132 is a wasteful number, since it uses less digits than its factorization.

6999132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its digits is 26244, while the sum is 39.

The square root of 6999132 is about 2645.5872693979. The cubic root of 6999132 is about 191.2852111682.

The spelling of 6999132 in words is "six million, nine hundred ninety-nine thousand, one hundred thirty-two".