7132991 has 4 divisors (see below), whose sum is σ = 7159584. Its totient is φ = 7106400.

The previous prime is 7132987. The next prime is 7132997. The reversal of 7132991 is 1992317.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1992317 = 487 ⋅4091.

It is a cyclic number.

It is not a de Polignac number, because 7132991 - 2² = 7132987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7132997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12890 + ... + 13431.

It is an arithmetic number, because the mean of its divisors is an integer number (1789896).

Almost surely, 2^7132991 is an apocalyptic number.

7132991 is a deficient number, since it is larger than the sum of its proper divisors (26593).

7132991 is a wasteful number, since it uses less digits than its factorization.

7132991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26592.

The product of its digits is 3402, while the sum is 32.

The square root of 7132991 is about 2670.7659949910. The cubic root of 7132991 is about 192.4969674004.

The spelling of 7132991 in words is "seven million, one hundred thirty-two thousand, nine hundred ninety-one".